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Finding the Fourth Proportional to 22,147.50, 33,223.53 and 7,360.86

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Solution

The fourth proportional to 22,147.50, 33,223.53 and 7,360.86 is: 11,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147.50 : 33,223.53 = 7,360.86 : x
  2. Step 2: Convert to fraction form
    22,147.50/33,223.53 = 7,360.86/x
  3. Step 3: Cross multiply
    22,147.50x = 33,223.53 × 7,360.86
  4. Step 4: Simplify right side
    22,147.50x = 244,553,753.04
  5. Step 5: Solve for x
    x = 244,553,753.04/22,147.50
  6. Step 6: Final answer
    x = 11,042.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.